1. André, E.., Rist, T., Van Mulken, S., Klesen, M., & Baldes, S. (2000). The automated design of believable dialogues for animated presentation teams. In J. Cassell, J. Sullivan, S. Prevost & E. Churchill (eds.). Embodied Conversational Agents. Cambridge, MA: MIT press.
2. Arafa, J., Charlton, P., Mamdani, A., & Fehin, P. (1999). Designing and building Personal Service Assistants with personality. In S. Prevost & E. Churchill (Eds.). Proceedings of the Workshop on Embodied Conversational Characters, Tahoe City.
3. Bates, J. (1994). The role of emotion in believable agents. Communications of the ACM, 37, 7, 122–125.
4. Black, A.W., Taylor, P., Caley, R. & Clark, R. (2002) Festival. http://www.cstr.ed.ac.uk/projects/festival/
5. Canamero, L. & Aylett, R. (eds.) Animating Expressive Characters for Social Interactions. Amsterdam: John Benjamins.